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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2013-06-21 06:29:22 -1000 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-06-21 06:29:22 -1000 |
| commit | 9d0be540d73dc8256e8eff85285bd3b682e3c1d1 (patch) | |
| tree | 4b4f1f407f6499bca7fef1899a6263f3693c38a4 | |
| parent | 92616ee65422d03930816250cb1e6ce7493cf14d (diff) | |
| parent | 07868fc6aaf57847b0f3a3d53086b7556eb83f4a (diff) | |
Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
Pull KVM fixes from Paolo Bonzini:
"Three one-line fixes for my first pull request; one for x86 host, one
for x86 guest, one for PPC"
* tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm:
x86: kvmclock: zero initialize pvclock shared memory area
kvm/ppc/booke: Delay kvmppc_lazy_ee_enable
KVM: x86: remove vcpu's CPL check in host-invoked XCR set
| -rw-r--r-- | arch/powerpc/kvm/booke.c | 3 | ||||
| -rw-r--r-- | arch/x86/kernel/kvmclock.c | 1 | ||||
| -rw-r--r-- | arch/x86/kvm/x86.c | 5 |
3 files changed, 5 insertions, 4 deletions
diff --git a/arch/powerpc/kvm/booke.c b/arch/powerpc/kvm/booke.c index 5cd7ad0c117..1a1b5118977 100644 --- a/arch/powerpc/kvm/booke.c +++ b/arch/powerpc/kvm/booke.c @@ -673,7 +673,6 @@ int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) ret = s; goto out; } - kvmppc_lazy_ee_enable(); kvm_guest_enter(); @@ -699,6 +698,8 @@ int kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu) kvmppc_load_guest_fp(vcpu); #endif + kvmppc_lazy_ee_enable(); + ret = __kvmppc_vcpu_run(kvm_run, vcpu); /* No need for kvm_guest_exit. It's done in handle_exit. diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c index d2c381280e3..3dd37ebd591 100644 --- a/arch/x86/kernel/kvmclock.c +++ b/arch/x86/kernel/kvmclock.c @@ -242,6 +242,7 @@ void __init kvmclock_init(void) if (!mem) return; hv_clock = __va(mem); + memset(hv_clock, 0, size); if (kvm_register_clock("boot clock")) { hv_clock = NULL; diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 094b5d96ab1..e8ba99c3418 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -582,8 +582,6 @@ int __kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr) if (index != XCR_XFEATURE_ENABLED_MASK) return 1; xcr0 = xcr; - if (kvm_x86_ops->get_cpl(vcpu) != 0) - return 1; if (!(xcr0 & XSTATE_FP)) return 1; if ((xcr0 & XSTATE_YMM) && !(xcr0 & XSTATE_SSE)) @@ -597,7 +595,8 @@ int __kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr) int kvm_set_xcr(struct kvm_vcpu *vcpu, u32 index, u64 xcr) { - if (__kvm_set_xcr(vcpu, index, xcr)) { + if (kvm_x86_ops->get_cpl(vcpu) != 0 || + __kvm_set_xcr(vcpu, index, xcr)) { kvm_inject_gp(vcpu, 0); return 1; } |